Solar activity declined again this week, with the average daily sunspot numbers dropping 17.8 points, from 78.9 to 61.1, while the average daily solar flux declined 19.4 points, from 121 to 101.6. Learn More

The Frequency Measuring Test (FMT) continues its successful “round-table” format when it takes to the airwaves on the evening of April 19 (April 20 UTC). The test moves to Thursday from the November FMT’s usual Wednesday evening, giving everyone an opport Learn More

Solar activity was down again this week -- this is the third week in a row with sunspot numbers lower than the week prior. On January 20, we reported an average daily sunspot number of 116.9 for January 12-18, 98.7 the next week, followed by 62 the week o Learn More

Solar activity dropped this week, with the average daily sunspot numbers declining more than 39 points to 94.7. It’s been 13 weeks since the average daily sunspot number for the week was that low or lower, when we reported an average of 91.7 in the Septem Learn More

What happened to that new “grand minima”? Solar Cycle 24 just keeps rolling along -- for the first seven days in December, there were eight new sunspot groups. December 5 had the largest sunspot coverage over the past week, with a daily sunspot number of Learn More

With solar flux numbers not seen since 2004, the higher HF bands have seen a surge in activity. The solar flux has been at least 100 since August 20. On September 10, it reached 116, rising to 121 the next day. It climbed steadily, reaching a peak of 190 Learn More